Fiber laser refers to a laser that uses rare-earth-doped glass fiber as the gain medium. Fiber laser can be developed on the basis of fiber amplifier: high power density is easily formed in the fiber under the action of pump light, resulting in laser The laser energy level of the working substance is "number inversion", and when a positive feedback loop (to form a resonant cavity) is properly added, the laser oscillation output can be formed.
Optical fiber is the abbreviation of optical fiber, and its structure is shown in the figure: the inner layer is the core, which has a high refractive index, and is used to transmit light; the middle layer is the cladding, and the refractive index is low, forming a total reflection condition with the core; the outermost The layer is a protective layer to protect the optical fiber.
Fiber coupled diode lasers provide researchers with a convenient way to couple the output of the laser to the fiber. This allows it to be delivered to specific areas, for example, fiber-coupled lasers used for skin treatment in specific areas of the skin.
Optical fiber amplifier is a new all-optical amplifier used in optical fiber communication line to realize signal amplification. According to its position and function in the optical fiber line, it is generally divided into relay amplification, pre amplification and power amplification.
As an important part of optical fiber communication system, optical module plays the role of photoelectric conversion. This article will introduce the core devices of the optical module.
The Global "Laser Components Market" Study report 2021-2027 is a factual assessment and in-depth look at the current and future laser components industry market.
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